package com.heima.behavior.service.Impl;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.LikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.common.constants.article.HotArticleConstants;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.mess.app.UpdateArticleMess;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;


import java.util.Date;

@Slf4j
@Service
public class ApLikesBehaviorServiceImpl implements ApLikesBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    MongoTemplate mongoTemplate;
    @Autowired
    RabbitTemplate rabbitTemplate;

    @Override
    public ResponseResult like(LikesBehaviorDTO dto) {
        //1.校验参数
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null) {
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);//1需要登录后操作
        }
        //2.查询实体行为
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (apBehaviorEntry == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "获取实体信息失败");
        }
        //3。查询是否有改行为实体的点赞记录，如果是点赞并且有记录，提示请勿重复点赞
        Query query = Query.query(Criteria.where("entryId")
                .is(apBehaviorEntry.getId())
                .and("articleId").is(dto.getArticleId()));
        ApLikesBehavior likesBehavior = mongoTemplate.findOne(query, ApLikesBehavior.class);
        if (dto.getOperation().intValue() == 0 && likesBehavior != null) {
            CustException.cust(AppHttpCodeEnum.DATA_EXIST, "请勿重复点赞");

        }

        //4.点赞或者取消点赞
        if (dto.getOperation().intValue() == 0) {
            //点赞  添加点赞数据
            likesBehavior = new ApLikesBehavior();
            likesBehavior.setEntryId(apBehaviorEntry.getId());
            likesBehavior.setArticleId(dto.getArticleId());
            likesBehavior.setType((short) 0);
            likesBehavior.setOperation((short) 0);
            likesBehavior.setCreatedTime(new Date());
            mongoTemplate.save(likesBehavior);

        } else {
            //取消点赞  删除点赞数据
            mongoTemplate.remove(query, ApLikesBehavior.class);
        }
        //添加文章点赞-发送消息
        UpdateArticleMess mess = new UpdateArticleMess();
        mess.setType(UpdateArticleMess.UpdateArticleType.LIKES);
        mess.setArticleId(mess.getArticleId());
        mess.setAdd(dto.getOperation() == 0 ? 1 : -1);
        rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, JSON.toJSONString(mess));
        log.info("点赞行为 发送消息==>{}", JSON.toJSONString(mess));

        return ResponseResult.okResult();
    }
}
